CVE-2017-18073 : Security Advisory and Response

Android devices with Qualcomm Snapdragon processors are vulnerable to unauthorized memory access due to improper input validation in TrustZone.

Understanding CVE-2017-18073

This CVE affects Qualcomm Snapdragon Automobile, Snapdragon Mobile, and Snapdragon Wear devices.

What is CVE-2017-18073?

The vulnerability allows the HLOS in Android to gain unauthorized access to memory on affected Qualcomm Snapdragon devices.

The Impact of CVE-2017-18073

If the security patch level is before 2018-04-05, attackers can exploit this vulnerability to access unauthorized memory on the mentioned devices.

Technical Details of CVE-2017-18073

Qualcomm Snapdragon devices are susceptible to unauthorized memory access due to improper input validation in TrustZone.

Vulnerability Description

The vulnerability arises from a lack of proper input validation in TrustZone, allowing unauthorized memory access.

Affected Systems and Versions

Products: Snapdragon Automobile, Snapdragon Mobile, Snapdragon Wear
Versions: MDM9206, MDM9607, MDM9650, SD 210/SD 212/SD 205, SD 820, SD 820A, SD 835

Exploitation Mechanism

Attackers can exploit this vulnerability if the security patch level is before 2018-04-05, gaining unauthorized access to memory on the affected devices.

Mitigation and Prevention

To address CVE-2017-18073, follow these steps:

Immediate Steps to Take

Apply security patches and updates promptly.
Monitor vendor security bulletins for relevant information.
Implement proper access controls and permissions on devices.

Long-Term Security Practices

Regularly update device firmware and software.
Conduct security assessments and audits periodically.
Educate users on safe browsing habits and security best practices.

Patching and Updates

Ensure all Qualcomm Snapdragon devices are updated with the latest security patches to mitigate the risk of unauthorized memory access.